Definition of toll. 1  transitive verb. 2  1 : to sound (a bell) by pulling the rope. 3  2a : to give signal or announcement of the clock tolled each hourb : to announce by tolling church bells tolled the death of the bishopc : to call to or from a place or occasion bells tolled the congregation to church.  intransitive verb.
The formula that this water intake calculator uses is that for every pound of body weight you need 0.5 ounces of fluid intake per day. Therefore if your body weight is 200 Pounds, you would need 100 ounces of fluid.
Now the Institute of Medicine sets general guidelines for total water intake. It recommends that women consume a total of 91 ounces (thatâs about 2.7 liters) per day â from all food and beverages combined. For men, itâs about 125 ounces a day (or 3.7 liters). Depending on your diet, about 25% of the water you consume comes from your food. Most of us healthy folks get enough water in the foods and liquids we consume. That includes any liquid we drink â even caffeinated beverages like soda, coffee and tea.